前言

What is summarized in this paper is the present situation, current questions and prospects for high vanadium high speed steel.

0前言近20年研究发现，高钒高速钢不仅有很高的硬度和相当的韧性，而且有优良的耐磨性，因此作为新一代耐磨材料，高钒高速钢备受关注[1]。

A new method is proposed by combing mathematical method, and electronic computer with volumetry. In titration only the values of two points are needed.

前言 容量分析法是一种准确、可靠，应用广泛的定量分析方法，因而在化学分析发展过程中它一直占着重要的地位。

Preface Thank you for choosing our water wagon branded "Long Di" from Hubei Shuanglong Special Purpose Vehicle Manufacture Co.,Ltd.

前言 感谢您选用湖北双龙专用汽车制造有限公司生产的龙帝牌运水车。

In this paper, a method of network traffic prediction based on wavelet transform and autoregressive model is proposed.

本文前言部分，主要介绍了网络流量预测的研究背景及本文的工作。

Oh﹐Cup which brims with the whitest of wine, it is in thee that all begins.

Rank计算方法：前言︰从DPS.193上看来的。。

The first chapter,preface generally arranges the whole-length research framework and specifically introduces the research background,objects,purpose,significance and process.

本论文第一章前言，首先对全文研究框架进行了总体安排，具体介绍了全文的研究背景、研究对象、研究目的、研究意义及研究思路。

At the beginning of the dissertation, the author explained some main concepts and methods, in addition, the major concerns of the social background of Ming and Qing Dynasty and basic spreading characteristics of "Xixiangji". Social pastime and social position of traditional opera turned from vulgar to elegant formed the direct reason of the prosperity of Ming and Qing traditional opera. During the time the general characteristic of the spreading of "Xixiangji"can be concluded as follows: wide-spreading. Chapter Ⅰ, study of the play.

本文的前言部分，除了按照惯例，对课题的提出、研究方法以及一些概念加以说明和论述之外，我们主要针对明清时期的社会背景和《西厢记》传播的基本特点加以探讨和介绍，认为社会的娱乐风气和戏曲文学的社会地位由俗到雅的提升是构成明清戏曲传播繁荣兴盛的直接因素；明清时期《西厢记》传播的总体特征可概括为：受众多、传播时间长、分布广。

Recently he saw Shane Acker's sci-fi saga 9 and felt moved to write the following foreword to the film.

最近，他看了Shane Acker的科幻传奇9，并写下以下电影前言。

Globalization is now becoming one of the most hot-point of the social science,akey idea by which we understand the transition of human society.

本文共分五章，第一章是前言，论述研究目的和方法，并对全球化与文化的概念进行了辨析与界定。

The chemical structure, characteristics of aluminium alkoxide and its application in coating industry are given in this article.

一、前言现代技术和工业的发展，对涂料的机械强度、耐热、耐腐蚀等性能提出了更高的要求。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。